#21A728#21A728

#21A728 is a light, vivid green. Relative luminance 0.281; OKLCH L 63.6% C 0.197 H 143.3°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#21A728
RGB	rgb(33, 167, 40)
HSL	hsl(123, 67%, 39%)
HSV	hsv(123, 80%, 65%)
CMYK	cmyk(80.2%, 0%, 76%, 34.5%)
CIE-LAB	lab(59.99, -58.38, 52.25)
CIE-LCH	lch(59.99, 78.35, 138.17°)
OKLab	oklab(63.6% -0.1582 0.1177)
OKLCH	oklch(63.6% 0.197 143.3)
XYZ	xyz(14.8279, 28.1122, 6.6518)
Luminance	0.2811 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A728 #A721A0

analogous

#5DA721 #21A728 #21A76B

triadic

#21A728 #2821A7 #A72821

tetradic

#21A728 #215DA7 #A721A0 #A76B21

square

#21A728 #215DA7 #A721A0 #A76B21

split-complementary

#21A728 #6B21A7 #A7215D

monochromatic

#0D4110 #17741C #21A728 #2FD638 #62E069

Accessibility & contrast

On white

3.17

#21A728 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#21A728 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A728

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A728	#FFFFFF	#000000	##000000
##21A728	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB970C

Deuteranopia (green-blind)

#9C8D36

Tritanopia (blue-blind)

#00A28F

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #21a728;
/* rgb */ color: rgb(33, 167, 40);
/* oklch */ color: oklch(63.6% 0.197 143.3);

Tailwind

colors: {
  custom: {
    50: '#76c26b',
    500: '#21a728',
    950: '#000000',
  },
}

SCSS

$custom: #21a728;
$custom-light: #76c26b;
$custom-dark: #000000;

JSON

{
  "hex": "#21a728",
  "rgb": {
    "r": 33,
    "g": 167,
    "b": 40
  },
  "hsl": {
    "h": 123.134,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.63599,
    "c": 0.19716,
    "h": 143.3
  },
  "luminance": 0.28114
}

Semantic roles & 50–950 ramp

primary

#21A728

secondary

#C55FC0

accent

#3EE1EA

background

#F7FCF6

surface

#EEF8EC

border

#C9D1C7

text

#0A1307

muted

#7C827A

Preview Lab

Preview with #21A728

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →